/* ═══════════════════════════════════════════════════════════════
   LPS NODE — Platform Feature Showcase (homepage)
   Palette: Navy #1E3A8A | Sky Blue #3B82F6 | White | Dark Gray #1F2937
   ═══════════════════════════════════════════════════════════════ */

.platform-showcase {
  padding: 90px 8%;
  background: linear-gradient(180deg, #f5f9ff 0%, #ffffff 100%);
}

.platform-showcase .section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 50px;
}
.platform-showcase .section-header span {
  display: inline-block;
  background: #eff6ff;
  color: #1E3A8A;
  font-weight: 700;
  font-size: .8rem;
  letter-spacing: .08em;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.platform-showcase .section-header h2 {
  font-size: 2.4rem;
  font-weight: 800;
  color: #1F2937;
  margin-bottom: 14px;
}
.platform-showcase .gradient-text {
  background: linear-gradient(90deg, #1E3A8A, #3B82F6);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.platform-showcase .section-header p {
  color: #6b7280;
  font-size: 1.05rem;
  line-height: 1.6;
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.showcase-card {
  background: #ffffff;
  border: 1px solid #e5e9f5;
  border-radius: 20px;
  padding: 32px 28px;
  text-decoration: none;
  display: block;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  position: relative;
  overflow: hidden;
}
.showcase-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, #1E3A8A, #3B82F6);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}
.showcase-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 45px rgba(30, 58, 138, .14);
  border-color: #bfdbfe;
}
.showcase-card:hover::before { transform: scaleX(1); }

.showcase-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, #1E3A8A, #3B82F6);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 18px;
  transition: transform .25s ease;
}
.showcase-card:hover .showcase-icon { transform: scale(1.08) rotate(-4deg); }

.showcase-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #1F2937;
  margin-bottom: 10px;
}
.showcase-card p {
  color: #6b7280;
  font-size: .92rem;
  line-height: 1.6;
  margin-bottom: 18px;
}
.showcase-link {
  color: #1E3A8A;
  font-weight: 700;
  font-size: .88rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.showcase-link i { transition: transform .2s ease; }
.showcase-card:hover .showcase-link i { transform: translateX(4px); }

/* ─── Responsive ─── */
@media (max-width: 991px) {
  .showcase-grid { grid-template-columns: repeat(2, 1fr); }
  .platform-showcase { padding: 70px 6%; }
  .platform-showcase .section-header h2 { font-size: 1.9rem; }
}

@media (max-width: 620px) {
  .showcase-grid { grid-template-columns: 1fr; gap: 16px; }
  .platform-showcase { padding: 50px 6%; }
  .platform-showcase .section-header h2 { font-size: 1.6rem; }
  .showcase-card { padding: 26px 22px; }
}